... to plans to sample custom 2013 Steel structure welding leg part for office Chair part Production Description Haiyan Hongtai Metal Products Co.,Ltd ... 2) surface treatment:Zinc , powder coat, hot-dip galvanized,blackening, electroplate…3) machining Process:Stamping , turning,tube bending, welding, milling, CNC ... -86887878 Fax :86-0573-86887758 2013 Steel structure welding leg part for office Chair part